Trixie (Julia Barretto) and Joanna (Miles Ocampo) will find themselves pitted against each other in everything they want. They become bitter rivals in school and even in love when they fall for the same guy – Internet sensation Justin (Inigo Pascual). But their rivalry intensifies and becomes more complicated when they are forced to live under one roof as stepsisters. Will Trixie and Joanna learn to accept their new family and treat each as sisters, or will their rivalry destroy their only chance at having a complete and loving family?